Articles

Lead Image © Dmitriy Cherevko, 123RF.com

Lead Image © Dmitriy Cherevko, 123RF.com

New versions of the Endian and Sophos UTM solutions

UTM systems combat all kinds of dangers under the policy of Unified Threat Management. The demands and expectations of customers fuel competition. Two of the most popular manufacturers – Endian and Sophos – have now released new versions of their solutions.
Lead Image © Sorin Colac, 123RF.com

Lead Image © Sorin Colac, 123RF.com

Documentation Tools for Admins

Scattered documents lying on the file server are an inconvenient resource when admins need to solve problems at the help desk. Free knowledgebase components combine knowledge and structure, providing a better overview.

Filesystem Encryption

The revelation of wide-spread government snooping has sparked a renewed interest in data storage security via encryption. In this article, we review some options for encrypting files, directories, and filesystems on Linux.

FreeRADIUS for WiFi Hotspots

Tired of contending with shared passwords for wireless networks? Use WPA Enterprise and a FreeRADIUS server to set up a user password solution for wireless users.

Generate VM Images with virt-builder

The virt-builder tool lets you create new virtual machines in just a few seconds. We take a first look at the brand new tool.

Achieving More Harmonious Cloud Orchestration

Cloud computing is forcing admins to rethink automation because classic tools like Puppet do not provide a sufficient range of configuration options. Cloudify offers a new direction for orchestration in the cloud.

Supercharge Your Website with Amazon CloudFront

Users who lose interest in websites that don’t respond in the expected time take their clicks elsewhere. We look at ways to improve your WordPress website performance.

Managing Office 365 in PowerShell

Microsoft offers its Office programs as a service in the cloud. To integrate the Office 365 service into your own infrastructure, PowerShell is a natural choice.

Red Hat Storage Server 2.1

If you believe Red Hat’s marketing hype, the company has no less than revolutionized data storage with version 2.1 of its Storage Server. The facts tell a rather different story.

Monitoring Performance with sar

Several utilities offer a snapshot of system performance – from Top or Uptime to Iostat, Netstat, and Mpstat – but what if you only learn of a bottleneck after it has happened? Sar to the rescue.

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